Which One of the Following Is TRUE

Which one of the following is TRUE?

A) As empirical evidence shows that college graduates earn more than workers who do not have formal schooling beyond high school, more people pursue college degrees.
B) The empirical evidence shows that investment in human capital does not result in higher earnings.
C) The typical worker can expect to earn a wage that is twice the value of his marginal revenue product.
D) Most of the income inequality in the U.S. is due to unequal patterns of inheritance.